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230302983 = 383991499
BaseRepresentation
bin11011011101000…
…10010100000111
3121001100121022010
431232202110013
5432424143413
634504105303
75464354161
oct1556422407
9531317263
10230302983
11109000049
1265165233
1338937171
142282d931
1515342dc3
hexdba2507

230302983 has 8 divisors (see below), whose sum is σ = 307440000. Its totient is φ = 153350648.

The previous prime is 230302957. The next prime is 230302987. The reversal of 230302983 is 389203032.

230302983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230302983 - 25 = 230302951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230302983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230302987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43233 + ... + 48266.

It is an arithmetic number, because the mean of its divisors is an integer number (38430000).

Almost surely, 2230302983 is an apocalyptic number.

230302983 is a deficient number, since it is larger than the sum of its proper divisors (77137017).

230302983 is an equidigital number, since it uses as much as digits as its factorization.

230302983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92341.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 230302983 is about 15175.7366542781. The cubic root of 230302983 is about 612.9614863318.

The spelling of 230302983 in words is "two hundred thirty million, three hundred two thousand, nine hundred eighty-three".

Divisors: 1 3 839 2517 91499 274497 76767661 230302983